77381720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11447}}^1$

素因数の和:11484

約数の個数: 48

約数和(自身を含む): 188548560

約数和(自身を除く): 111166840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 11447, 22894, 45788, 57235, 91576, 114470, 148811, 228940, 297622, 457880, 595244, 744055, 1190488, 1488110, 1934543, 2976220, 3869086, 5952440, 7738172, 9672715, 15476344, 19345430, 38690860, 77381720]

約数ペア:

[(1, 77381720), (2, 38690860), (4, 19345430), (5, 15476344), (8, 9672715), (10, 7738172), (13, 5952440), (20, 3869086), (26, 2976220), (40, 1934543), (52, 1488110), (65, 1190488), (104, 744055), (130, 595244), (169, 457880), (260, 297622), (338, 228940), (520, 148811), (676, 114470), (845, 91576), (1352, 57235), (1690, 45788), (3380, 22894), (6760, 11447)]